<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <!-- 引入 lib 目录下的 bootstrap 样式表 -->
  <link rel="stylesheet" href="./lib/bootstrap-v4.6.0.css">
  <script src="https://cdn.bootcdn.net/ajax/libs/axios/1.3.4/axios.js"></script>
  <style>
    :root {
      font-size: 15px;
    }

    body {
      padding-top: 15px;
    }
  </style>
</head>

<body>

  <!-- 栅格系统 -->
  <div class="container-fluid">
    <!-- 栅格系统中的一行 -->
    <div class="row">
      <!-- 左侧的表格，占了 8 列 -->
      <div class="col-sm-8">
        <table class="table table-bordered table-striped table-dark table-hover text-center">
          <thead>
            <!-- 表头行 -->
            <tr>
              <th scope="col">Id</th>
              <th scope="col">书名</th>
              <th scope="col">作者</th>
              <th scope="col">出版社</th>
              <th scope="col">操作</th>
            </tr>
          </thead>
          <tbody class="tb">
            <!-- 表格中的每一行 -->
            <tr>
              <th scope="row">xxx</th>
              <td>xxx</td>
              <td>xxx</td>
              <td>xxx</td>
              <td>
                <button type="button" class="btn btn-link btn-sm">删除</button>
              </td>
            </tr>
          </tbody>
        </table>
      </div>

      <!-- 右侧的添加区域，占了 4 列 -->
      <div class="col-sm-4">
        <!-- 添加图书的卡片 -->
        <div class="card text-white bg-secondary sticky-top">
          <div class="card-header">添加新图书</div>
          <form class="card-body bg-light" id="addForm">
            <!-- 书名 -->
            <div class="input-group mb-3">
              <div class="input-group-prepend">
                <span class="input-group-text">书名</span>
              </div>
              <input type="text" class="form-control" placeholder="请输入图书名称" name="bookname">
            </div>
            <!-- 作者 -->
            <div class="input-group mb-3">
              <div class="input-group-prepend">
                <span class="input-group-text">作者</span>
              </div>
              <input type="text" class="form-control" placeholder="请输入作者名字" name="author">
            </div>
            <!-- 出版社 -->
            <div class="input-group mb-3">
              <div class="input-group-prepend">
                <span class="input-group-text">出版社</span>
              </div>
              <input type="text" class="form-control" placeholder="请输入出版社名称" name="publisher">
            </div>
            <!-- 添加按钮 -->
            <button class="btn btn-dark" type="submit">添加</button>
          </form>
        </div>
      </div>
    </div>
  </div>

  <script src="./lib/common.js"></script>
  <script src="./lib/axios.js"></script>
  <script>
    const bookname = document.querySelector('[name=bookname]')
    const author = document.querySelector('[name=author]')
    const publisher = document.querySelector('[name=publisher]')
    const form = document.querySelector('#addForm')
    function fn() {
      axios({
        methods: 'GET',
        url: 'http://www.liulongbin.top:3006/api/getbooks',
      }).then(function ({ data: res }) {
        // console.log(res);
        if (res.status !== 200) {
          return alert(`${res.msg}`)
        }
        document.querySelector('.tb').innerHTML = res.data.map(item => `
            <tr>
              <th scope="row">${item.id}</th>
              <td>${item.bookname}</td>
              <td>${item.author}</td>
              <td>${item.publisher}</td>
              <td>
                <button type="button" class="btn btn-link btn-sm" data-id="${item.id}">删除</button>
              </td>
            </tr>
      `).join('')
        // console.log(res.data);
      })
    }
    fn()


    form.addEventListener('submit', function (e) {
      e.preventDefault()
      const bookVal = bookname.value.trim()
      const authorVal = author.value.trim()
      const publisherVal = publisher.value.trim()
      if (bookVal === '' || authorVal === '' || publisherVal === '') {
        return alert('请输入完整的信息')
      }
      axios({
        method: 'POST',
        url: 'http://www.liulongbin.top:3006/api/addbook',
        data: {
          bookname: bookVal,
          author: authorVal,
          publisher: publisherVal
        }
      }).then(function ({ data }) {
        // console.log(res);
        fn()
      })
    })


    document.querySelector('.tb').addEventListener('click', function (e) {

      if (e.target.tagName === 'BUTTON') {
        console.log(11);
        const id = e.target.dataset.id
        console.log(id)
        axios({
          method: 'DELETE',
          url: 'http://www.liulongbin.top:3006/api/delbook',
          params: {
            id
          }
        }).then(function ({ data }) {
          // console.log(data);
          // if (data.status !== 200) {
          //   return alert(data.msg)
          // }
          fn()
        })
      }


    })






  </script>
</body>

</html>